Define Dumb Motherfucker Meaning

Dumb Motherfucker
a person that is cocking off to the wrong person that will beat the fuck out of them and know everything about them

James u r a dumb motherfucker u know who ur fucking with
By Judye
Dumb Motherfucking Slut
You dad is sassy asf bitch

Lol anal is my uncle and my dad roots dumb motherfucking sluts in public toilets
By Alyss
Dumb Motherfucking Slut
A girl who sleeps with multiple men while in a relationship, while her boyfriend/husband is in the same building.

That dumb motherfucking slut fucked my best friend while I was in the loundroom watching the news
By Myrle